Finding the Fourth Proportional to 28,610.74, 42,916.11 and 8,884
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Solution
The fourth proportional to 28,610.74, 42,916.11 and 8,884 is: 13,326
Step by Step Solution
- Step 1: Write the proportion equation
28,610.74 : 42,916.11 = 8,884 : x - Step 2: Convert to fraction form
28,610.74/42,916.11 = 8,884/x - Step 3: Cross multiply
28,610.74x = 42,916.11 × 8,884 - Step 4: Simplify right side
28,610.74x = 381,266,721.24 - Step 5: Solve for x
x = 381,266,721.24/28,610.74 - Step 6: Final answer
x = 13,326
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.